Cup for a plant growth chamber



FIG. 1 is a top, right side and rear perspective view of a cup for a plant growth chamber showing the new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a top plan showing the new design; and,

FIG. 6 is a top, right side and rear perspective view thereof showing a funnel portion thereof separated from a body portion thereof.

The broken lines illustrate portions of the cup for a plant growth chamber and form no part of the claimed design. 

CLAIM The ornamental design for a cup for a plant growth chamber, as shown and described. 